Skin file



FIG. 1 is a front, top and right side perspective view of one embodiment of the design of the invention;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front, top and right side perspective view of another embodiment of the design of the invention;

FIG. 9 is a top plan view thereof.

FIG. 10 is a left side view thereof;

FIG. 11 is a front view thereof;

FIG. 12 is a right side view thereof;

FIG. 13 is a rear view thereof; and,

FIG. 14 is a bottom plan view thereof. 

The ornamental design for a skin file, as shown and described. 